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The diagram below shows how it works: When the cashier takes an order, a new order is created in the database-backed queue. For Starbucks’ use case, a simple database queue meets the requirements without needing Kafka. RabbitMQ works like a messaging middleware - it pushes messages to consumers then deletes them upon acknowledgment.

How to Choose a Message Queue?

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RabbitMQ is a free, open-source and extensible message queuing solution. It is a message broker that understands AMQP (Advanced Message Queuing Protocol) It is also able to be used with other popular messaging solutions like MQTT. Check out our product page for use cases, features and to contact our expert consultants.

What Is RabbitMQ? An Introduction

RabbitMQ is an open-source message broker software that implements the Advanced Message Queuing Protocol (AMQP) for reliable message queuing and delivery between applications and services. It provides features such as message persistence, publish-subscribe messaging, and message routing for building scalable and decoupled distributed systems. Readers can explore how RabbitMQ facilitates communication and integration between microservices, applications, and components in distributed architectures, enabling asynchronous messaging and event-driven communication patterns.

Best of RabbitMQ — August 2023